木材的正交各向异性

E1=15160

E2=505

E3=505

G12=950

G13=950

G23=95

v12=0.5 5.479033 v13=0.5 5.479033 v23=0.71 v21=0.016656

v31=0.016656

v32=0.7

1/r=0.481685

r= 2.076044

D1111=16051.14

D2222=1039.671

D3333=1039.671

D1122=891.1419

D1133=891.1419

D2233=742.6125

D1212=950

D1313=950

D2323=95

0.07051410

0.209593 1.010.01

0.347865 1.020.02

0.554811 1.0350.035

0.877893 1.05750.0575

1.40228 1.091250.09125

1.61199 1.103910.10391

1.94414 1.122890.12289

2.47832 1.151370.15137

2.69217 1.162050.16205

3.03147 1.178060.17806

3.59456 1.202090.20209

4.6578 1.238130.23813

5.18418 1.251650.25165

6.33564 1.271920.27192

6.97266 1.279520.27952

7.31945 1.282370.28237

8.31582 1.286650.28665